ML20076G482

Suppl I to Reactor Containment Bldg Integrated Leak Rate Test (Ilrt)

ML20076G482
Person / Time
Site:	Mcguire
Issue date:	06/09/1983
From:	DUKE POWER CO.
To:
Shared Package
ML20076G466	List: ML20076G463 ML20076G482
References
NUDOCS 8306140686
Download: ML20076G482 (3)

Text

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Duke Power Company McGuire Nuclear Station Unit 2 Reactor Containment Building Integrated Leak Rate Test (ILRT)

Supplement 1 1

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8306140686 830609 PDR ADOCK 05000370 P .PDR

. . McGuire Nuclear Station Unit 2 ILRT Supplement 1 Results of Type B and C Leak Rate Tests:

Test Final Conservative Test Results TP/2/A/1200/16, Isolation -3 1452.61 seem = 3.0178573 x 10 %/ Day Valves Leak Rate Test TP/2/A/1200/15, Mechanical 1900.0 scem = 1.7062726 x 10 -3 %/ Day Penetrations Leak Rate Test TP/2/A/1200/18, Upper Containment -4 157.0 sccm = 3.2617399 x 10 %/ Day Personnel Air Lock Leak Rate Test TP/2/A/1200/19, Lower Containment -4

172 seem = 3.5733711 x 10 %/ Day Personnel Air Lock Leak Rate Test TP/2/A/1200/17, Fuel Transfer Tube 0.2 scem = 4.1550826 x 10 -7

%/ Day Leak Rate Test

'IP/2/A/1200/20, Equipment Hatch -4 90.0 seem = 1.8697872 x 10 %/ Day Leak Rate Test 3.974 seem = 8.2561492 x 10 -6 TP/2/A/1350/24, Electrical Penetra-  %/ Day tion 0-Ring Leak Rate Test 1

Formula Used For Conversion:

(%/ Day) = 100% x fl where[1 = Measured leakage of TP in question (1bm/ day) 2 2 l M] My = Mass of containment vessel at start of 24 hr.

test (1bm).

(%/ Day) = 100% x P V 2 2 =100[P2 2 T3) 1440 RT P3 V 3T 2 2

} 1 1 RT 3

where P = Test Pressure of type B or C test (PSIA) 2 V = Test leakage results (CFM) 2 T = Temp. of Vessel at start of 24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> test 3

= 546.17 R

To convert SCCM to CFM at test conditions:

CFM=SCCMx(conversionfactortoSCFM)x[ 14.7 )

= SCCM x (3.5314667 x 10-5)/ 14.7 P

2 inPSIA)

P3 = Pressure of Vessel at start of 24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> test = 29.355 (PSIA)

V3 = Volume of Vessel = 1,239,759 ft 3 T2= Use 80*F(540'R) as standard for type B and C test Temperatures 1440 = Conversion Factor from %/ min to %/ Day 14.7 = Standard Referenced Atmospheric Pressure (PSIA)